From: Ben Pfaff <blp@cs.stanford.edu>
Date: Sun, 1 Sep 2019 19:23:02 +0000 (+0000)
Subject: AUTORECODE: Do not create value labels when they would be empty.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1b2d40a74005efbc4aa09609cc3bea4e2c16410;p=pspp

AUTORECODE: Do not create value labels when they would be empty.
---

diff --git a/src/language/stats/autorecode.c b/src/language/stats/autorecode.c
index e5ab8070d7..66afb13afa 100644
--- a/src/language/stats/autorecode.c
+++ b/src/language/stats/autorecode.c
@@ -324,9 +324,12 @@ cmd_autorecode (struct lexer *lexer, struct dataset *ds)
           while (len > 0 && recoded_value[len - 1] == ' ')
             recoded_value[--len] = '\0';
 
-	  /* Add value label. */
-	  union value to_val = { .f = items[j]->to };
-	  var_add_value_label (spec->dst, &to_val, recoded_value);
+	  /* Add value label, if it would be nonempty. */
+	  if (len)
+	    {
+	      union value to_val = { .f = items[j]->to };
+	      var_add_value_label (spec->dst, &to_val, recoded_value);
+	    }
 	  free (recoded_value);
 	}